Translation guide
How to express 'believer' in Japanese depends on what is believed: religious faith, trust in a person, or conviction in an idea. The most common word is 信者 (shinja) for religious believers, but other terms are used for non-religious contexts.
A person who has faith in a religion or deity.
General term for a believer in a religion. Can be used for followers of specific religions like Christianity, Buddhism, etc.
He is a devout Christian believer.
Many believers gathered at the temple.
Often used for lay believers or members of a religious community, especially in Buddhism and Christianity. Slightly more formal than 信者.
She is a devout Buddhist believer.
Emphasizes the act of having faith. Can be used in both religious and non-religious contexts, but often implies a personal, deep faith.
Believers offer prayers every day.
A person who trusts or has confidence in someone or something.
Literally 'a person who believes'. This is a natural way to say you believe in someone or something without religious connotations.
I am one of the people who believe in him.
A follower or adherent of a particular ideology, theory, or person. Often used for devoted supporters.
Supporter or backer. While not a direct translation of 'believer', it is often used when someone believes in a person's ability or a cause.
A person with unwavering faith or conviction, often used in a slightly emphatic or figurative sense.
Directly translating 'believer' as 信者 when referring to belief in a person or idea can sound odd or overly religious. Use phrases like 信じている人 or 支持者 instead.
信者 is the most common and neutral term for a religious believer. 信徒 is often used for lay members of a church or temple. 信仰者 emphasizes the personal act of faith and can be used more broadly.
彼はその理論の熱心な信奉者だ。
He is an ardent believer in that theory.
She has many believers (supporters).
She is a person of strong beliefs.